there are three classes in the first year of a school. On class has 29 children in it. another class has 31 children in it and the third class has 28 children in it. how many children are there in the first year of the school?

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)